CID may refer to:
Film Several Indian films have the mention of Criminal Investigation Department (as C.I.D.) in their title: C.I.D. (1955 film), an Indian Malayalam film C.I.D. (1956 film), an Indian Hindi film C. I. D. (1965 film), an Indian Telugu film C.I.D. (1990 film), an Indian Hindi film CID 999, an Indian film series including Goa Dalli CID 999 (1968) and Operation Jackpot Nalli C.I.D 999 (1969)
Television CID (Indian TV series) C.I.D. (Singaporean TV series)
Organizations Police units Criminal Investigation Department (disambiguation) Criminal Investigation Division (disambiguation) United States Army Criminal Investigation Division
Other organizations Center for International Development, at Harvard University Central Institute for the Deaf, in St. Louis, Missouri Central Investigation Department, the intelligence and counter-intelligence agency of the Chinese Communist Party Central Committee from 1949 to 1983 Committee of Imperial Defence, a former part of the government of Great Britain and the British Empire Conseil International de la Danse, an umbrella organization for all forms of dance in the world Council of Industrial Design, a UK body renamed the Design Council University of Colombo, Centre for Instrument Development, in Sri Lanka
Science and technology Biology and medicine Clinical Infectious Diseases, a medical journal Cytomegalic inclusion disease Chromosomal Interacting Domain, a self-interacting domain in bacteria
Chemistry Collision-induced dissociation, a mass spectrometry mechanism Compound identification number, a field in the PubChem database Configuration interaction doubles, in quantum chemistry
Computing and telecommunications Caller ID, a telephone service that transmits the caller's telephone number to the called party Card Identification Number, a security feature on credit cards Cell ID, used to identify cell phone towers of the Universidad de La Habana Certified Interconnect Designer, a certification for printed circuit-board designers CID fonts, a font file format Customer Induced Damage, a reason for rejection of a Return merchandise authorization
Other uses in science and technology Channel-iron deposits, one of the major sources of saleable iron ore Controlled Impact Demonstration, a project to improve aircraft crash survivability Cubic inch displacement, a measurement in internal combustion engines
Other uses Centro Insular de Deportes, an indoor sports arena in Spain Chinatown–International District, Seattle CID The Dummy, a video game Combat Identification, the accurate characterization of detected objects for military action Common-interest development, a form of housing Community improvement district, an area within which businesses are required to pay an additional tax The Eastern Iowa Airport (IATA code CID), serving Cedar Rapids, Iowa Corpus des inscriptions de Delphes, a compendium of ancient Greek inscriptions from Delphi Cid (Final Fantasy), a recurring character in the Final Fantasy series CID, a robot character in Saints Row IV
See also Cid (disambiguation) SID (disambiguation)